| Castellon de la Plana to Devnya | 1,436.71 mi (2,312.17 km) |
| Castellon de la Plana to Dimitrovgrad | 1,338.86 mi (2,154.69 km) |
| Castellon de la Plana to Dobrich | 1,450.03 mi (2,333.60 km) |
| Castellon de la Plana to Dospat | 1,266.46 mi (2,038.17 km) |
| Castellon de la Plana to Dupnitsa | 1,211.44 mi (1,949.62 km) |
| Castellon de la Plana to Elhovo | 1,388.00 mi (2,233.76 km) |
| Castellon de la Plana to Etropole | 1,256.49 mi (2,022.13 km) |
| Castellon de la Plana to Gabrovo | 1,324.04 mi (2,130.84 km) |
| Castellon de la Plana to Gorna Oryahovitsa | 1,342.66 mi (2,160.80 km) |
| Castellon de la Plana to Gotse Delchev | 1,244.39 mi (2,002.64 km) |
| Castellon de la Plana to Harmanli | 1,354.64 mi (2,180.08 km) |
| Castellon de la Plana to Haskovo | 1,337.53 mi (2,152.54 km) |
| Castellon de la Plana to Ihtiman | 1,247.02 mi (2,006.88 km) |
| Castellon de la Plana to Isperih | 1,400.17 mi (2,253.36 km) |
| Castellon de la Plana to Kardzhali | 1,328.32 mi (2,137.72 km) |
